MC78LXXA/LM78LXXA/MC78L05AA
Electrical Characteristics(MC78L18A)
(Continued)
(V
I
= 27V, I
O
= 40mA, 0°C
≤
T
J
≤
125°C, C
I
= 0.33µF, C
O
= 0.1µF, unless otherwise specified. (Note1))
Parameter
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Symbol
V
O
∆V
O
∆V
O
T
J
= 25°C
T
J
= 25°C
T
J
= 25°C
21V
≤
V
I
≤
33V
Output Voltage
Quiescent Current
Quiescent Current
Change
Output Noise Voltage
Temperature Coefficient of V
O
Ripple Rejection
Dropout Voltage
With Line
With Load
V
O
I
Q
∆I
Q
∆I
Q
V
N
∆V
O
/∆T
RR
V
D
21V
≤
V
I
≤
V
MAX
(Note2)
T
J
= 25°C
21V
≤
V
I
≤
33V
1mA
≤
I
O
≤
40mA
T
A
= 25°C, 10Hz
≤
f
≤
100kHz
I
O
= 5mA
f = 120Hz, 23V
≤
V
I
≤
33V, T
J
= 25°C
T
J
= 25°C
21V
≤
V
I
≤
33V
22V
≤
V
I
≤
33V
1mA
≤
I
O
≤100mA
1mA
≤
I
O
≤
40mA
1mA
≤
I
O
≤
40mA
1mA
≤
I
O
≤
70mA
Conditions
Min.
17.3
-
-
-
-
17.1
17.1
-
-
-
-
-
34
-
Typ.
18
145
135
30
15
-
-
2.2
-
-
150
-1.8
48
1.7
Max.
18.7
300
250
170
85
18.9
18.9
6.0
1.5
0.1
-
-
-
-
Unit
V
mV
mV
mV
mV
V
V
mA
mA
mA
µV/Vo
mV/°C
dB
V
Note:
1. The maximum steady state usable output current and input voltage are very dependent on the heat sinking and/or lead length
of the package. The data above represent pulse test conditions with junction temperature as indicated at the initiation of tests.
2. Power dissipation P
D
≤
0.75W.
6
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
